Failed to return after waiting 10 seconds. main run loop mode: kCFRunLoopDefaultMode void SendDelegateMessage (NSInvocation *): delegate

I am developing an iOS application using Core Plot headers. I have different interfaces for landscape and portrait. When the orientation changes, I get this when I try to change the frames . Can someone please suggest me what to do. failed to return after waiting 10 seconds. main run loop mode: kCFRunLoopDefaultMode void SendDelegateMessage(NSInvocation*): delegate failed to return after waiting 10 seconds. main run loop mode: kCFRunLoopDefaultMode void SendDelegateMessage(NSInvocation*): delegateUIView